src/gallium/drivers/r600/r600_pipe.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #include "r600_pipe.h"
  24 #include "r600_public.h"
  25 #include "r600_isa.h"
  26 #include "evergreen_compute.h"
  27 #include "r600d.h"
  28
  29 #include "sb/sb_public.h"
  30
  31 #include <errno.h>
  32 #include "pipe/p_shader_tokens.h"
  33 #include "util/u_blitter.h"
  34 #include "util/u_debug.h"
  35 #include "util/u_memory.h"
  36 #include "util/u_simple_shaders.h"
  37 #include "util/u_upload_mgr.h"
  38 #include "util/u_math.h"
  39 #include "vl/vl_decoder.h"
  40 #include "vl/vl_video_buffer.h"
  41 #include "radeon/radeon_uvd.h"
  42 #include "os/os_time.h"
  43
  44 static const struct debug_named_value r600_debug_options[] = {
  45         /* features */
  46 #if defined(R600_USE_LLVM)
  47         { "nollvm", DBG_NO_LLVM, "Disable the LLVM shader compiler" },
  48 #endif
  49         { "nocpdma", DBG_NO_CP_DMA, "Disable CP DMA" },
  50         { "nodma", DBG_NO_ASYNC_DMA, "Disable asynchronous DMA" },
  51
  52         /* shader backend */
  53         { "nosb", DBG_NO_SB, "Disable sb backend for graphics shaders" },
  54         { "sbcl", DBG_SB_CS, "Enable sb backend for compute shaders" },
  55         { "sbdry", DBG_SB_DRY_RUN, "Don't use optimized bytecode (just print the dumps)" },
  56         { "sbstat", DBG_SB_STAT, "Print optimization statistics for shaders" },
  57         { "sbdump", DBG_SB_DUMP, "Print IR dumps after some optimization passes" },
  58         { "sbnofallback", DBG_SB_NO_FALLBACK, "Abort on errors instead of fallback" },
  59         { "sbdisasm", DBG_SB_DISASM, "Use sb disassembler for shader dumps" },
  60         { "sbsafemath", DBG_SB_SAFEMATH, "Disable unsafe math optimizations" },
  61
  62         DEBUG_NAMED_VALUE_END /* must be last */
  63 };
  64
  65 /*
  66  * pipe_context
  67  */
  68
  69 static void r600_flush(struct pipe_context *ctx, unsigned flags)
  70 {
  71         struct r600_context *rctx = (struct r600_context *)ctx;
  72         struct pipe_query *render_cond = NULL;
  73         unsigned render_cond_mode = 0;
  74         boolean render_cond_cond = FALSE;
  75
  76         if (rctx->b.rings.gfx.cs->cdw == rctx->initial_gfx_cs_size)
  77                 return;
  78
  79         rctx->b.rings.gfx.flushing = true;
  80         /* Disable render condition. */
  81         if (rctx->current_render_cond) {
  82                 render_cond = rctx->current_render_cond;
  83                 render_cond_cond = rctx->current_render_cond_cond;
  84                 render_cond_mode = rctx->current_render_cond_mode;
  85                 ctx->render_condition(ctx, NULL, FALSE, 0);
  86         }
  87
  88         r600_context_flush(rctx, flags);
  89         rctx->b.rings.gfx.flushing = false;
  90         r600_begin_new_cs(rctx);
  91
  92         /* Re-enable render condition. */
  93         if (render_cond) {
  94                 ctx->render_condition(ctx, render_cond, render_cond_cond, render_cond_mode);
  95         }
  96
  97         rctx->initial_gfx_cs_size = rctx->b.rings.gfx.cs->cdw;
  98 }
  99
 100 static void r600_flush_from_st(struct pipe_context *ctx,
 101                                struct pipe_fence_handle **fence,
 102                                unsigned flags)
 103 {
 104         struct r600_context *rctx = (struct r600_context *)ctx;
 105         unsigned fflags;
 106
 107         fflags = flags & PIPE_FLUSH_END_OF_FRAME ? RADEON_FLUSH_END_OF_FRAME : 0;
 108         if (fence) {
 109                 *fence = rctx->b.ws->cs_create_fence(rctx->b.rings.gfx.cs);
 110         }
 111         /* flush gfx & dma ring, order does not matter as only one can be live */
 112         if (rctx->b.rings.dma.cs) {
 113                 rctx->b.rings.dma.flush(rctx, fflags);
 114         }
 115         rctx->b.rings.gfx.flush(rctx, fflags);
 116 }
 117
 118 static void r600_flush_gfx_ring(void *ctx, unsigned flags)
 119 {
 120         r600_flush((struct pipe_context*)ctx, flags);
 121 }
 122
 123 static void r600_flush_dma_ring(void *ctx, unsigned flags)
 124 {
 125         struct r600_context *rctx = (struct r600_context *)ctx;
 126         struct radeon_winsys_cs *cs = rctx->b.rings.dma.cs;
 127
 128         if (!cs->cdw) {
 129                 return;
 130         }
 131
 132         rctx->b.rings.dma.flushing = true;
 133         rctx->b.ws->cs_flush(cs, flags, 0);
 134         rctx->b.rings.dma.flushing = false;
 135 }
 136
 137 static void r600_flush_from_winsys(void *ctx, unsigned flags)
 138 {
 139         struct r600_context *rctx = (struct r600_context *)ctx;
 140
 141         rctx->b.rings.gfx.flush(rctx, flags);
 142 }
 143
 144 static void r600_flush_dma_from_winsys(void *ctx, unsigned flags)
 145 {
 146         struct r600_context *rctx = (struct r600_context *)ctx;
 147
 148         rctx->b.rings.dma.flush(rctx, flags);
 149 }
 150
 151 static void r600_destroy_context(struct pipe_context *context)
 152 {
 153         struct r600_context *rctx = (struct r600_context *)context;
 154
 155         r600_isa_destroy(rctx->isa);
 156
 157         r600_sb_context_destroy(rctx->sb_context);
 158
 159         pipe_resource_reference((struct pipe_resource**)&rctx->dummy_cmask, NULL);
 160         pipe_resource_reference((struct pipe_resource**)&rctx->dummy_fmask, NULL);
 161
 162         if (rctx->dummy_pixel_shader) {
 163                 rctx->b.b.delete_fs_state(&rctx->b.b, rctx->dummy_pixel_shader);
 164         }
 165         if (rctx->custom_dsa_flush) {
 166                 rctx->b.b.delete_depth_stencil_alpha_state(&rctx->b.b, rctx->custom_dsa_flush);
 167         }
 168         if (rctx->custom_blend_resolve) {
 169                 rctx->b.b.delete_blend_state(&rctx->b.b, rctx->custom_blend_resolve);
 170         }
 171         if (rctx->custom_blend_decompress) {
 172                 rctx->b.b.delete_blend_state(&rctx->b.b, rctx->custom_blend_decompress);
 173         }
 174         if (rctx->custom_blend_fastclear) {
 175                 rctx->b.b.delete_blend_state(&rctx->b.b, rctx->custom_blend_fastclear);
 176         }
 177         util_unreference_framebuffer_state(&rctx->framebuffer.state);
 178
 179         if (rctx->blitter) {
 180                 util_blitter_destroy(rctx->blitter);
 181         }
 182         if (rctx->allocator_fetch_shader) {
 183                 u_suballocator_destroy(rctx->allocator_fetch_shader);
 184         }
 185
 186         r600_release_command_buffer(&rctx->start_cs_cmd);
 187
 188         FREE(rctx->start_compute_cs_cmd.buf);
 189
 190         r600_common_context_cleanup(&rctx->b);
 191         FREE(rctx);
 192 }
 193
 194 static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
 195 {
 196         struct r600_context *rctx = CALLOC_STRUCT(r600_context);
 197         struct r600_screen* rscreen = (struct r600_screen *)screen;
 198
 199         if (rctx == NULL)
 200                 return NULL;
 201
 202         rctx->b.b.screen = screen;
 203         rctx->b.b.priv = priv;
 204         rctx->b.b.destroy = r600_destroy_context;
 205         rctx->b.b.flush = r600_flush_from_st;
 206
 207         if (!r600_common_context_init(&rctx->b, &rscreen->b))
 208                 goto fail;
 209
 210         rctx->screen = rscreen;
 211         rctx->keep_tiling_flags = rscreen->b.info.drm_minor >= 12;
 212
 213         LIST_INITHEAD(&rctx->active_nontimer_queries);
 214
 215         r600_init_blit_functions(rctx);
 216         r600_init_query_functions(rctx);
 217         r600_init_context_resource_functions(rctx);
 218
 219         if (rscreen->b.info.has_uvd) {
 220                 rctx->b.b.create_video_codec = r600_uvd_create_decoder;
 221                 rctx->b.b.create_video_buffer = r600_video_buffer_create;
 222         } else {
 223                 rctx->b.b.create_video_codec = vl_create_decoder;
 224                 rctx->b.b.create_video_buffer = vl_video_buffer_create;
 225         }
 226
 227         r600_init_common_state_functions(rctx);
 228
 229         switch (rctx->b.chip_class) {
 230         case R600:
 231         case R700:
 232                 r600_init_state_functions(rctx);
 233                 r600_init_atom_start_cs(rctx);
 234                 rctx->max_db = 4;
 235                 rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
 236                 rctx->custom_blend_resolve = rctx->b.chip_class == R700 ? r700_create_resolve_blend(rctx)
 237                                                                       : r600_create_resolve_blend(rctx);
 238                 rctx->custom_blend_decompress = r600_create_decompress_blend(rctx);
 239                 rctx->has_vertex_cache = !(rctx->b.family == CHIP_RV610 ||
 240                                            rctx->b.family == CHIP_RV620 ||
 241                                            rctx->b.family == CHIP_RS780 ||
 242                                            rctx->b.family == CHIP_RS880 ||
 243                                            rctx->b.family == CHIP_RV710);
 244                 break;
 245         case EVERGREEN:
 246         case CAYMAN:
 247                 evergreen_init_state_functions(rctx);
 248                 evergreen_init_atom_start_cs(rctx);
 249                 evergreen_init_atom_start_compute_cs(rctx);
 250                 rctx->max_db = 8;
 251                 rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
 252                 rctx->custom_blend_resolve = evergreen_create_resolve_blend(rctx);
 253                 rctx->custom_blend_decompress = evergreen_create_decompress_blend(rctx);
 254                 rctx->custom_blend_fastclear = evergreen_create_fastclear_blend(rctx);
 255                 rctx->has_vertex_cache = !(rctx->b.family == CHIP_CEDAR ||
 256                                            rctx->b.family == CHIP_PALM ||
 257                                            rctx->b.family == CHIP_SUMO ||
 258                                            rctx->b.family == CHIP_SUMO2 ||
 259                                            rctx->b.family == CHIP_CAICOS ||
 260                                            rctx->b.family == CHIP_CAYMAN ||
 261                                            rctx->b.family == CHIP_ARUBA);
 262                 break;
 263         default:
 264                 R600_ERR("Unsupported chip class %d.\n", rctx->b.chip_class);
 265                 goto fail;
 266         }
 267
 268         if (rscreen->trace_bo) {
 269                 rctx->b.rings.gfx.cs = rctx->b.ws->cs_create(rctx->b.ws, RING_GFX, rscreen->trace_bo->cs_buf);
 270         } else {
 271                 rctx->b.rings.gfx.cs = rctx->b.ws->cs_create(rctx->b.ws, RING_GFX, NULL);
 272         }
 273         rctx->b.rings.gfx.flush = r600_flush_gfx_ring;
 274         rctx->b.ws->cs_set_flush_callback(rctx->b.rings.gfx.cs, r600_flush_from_winsys, rctx);
 275         rctx->b.rings.gfx.flushing = false;
 276
 277         rctx->b.rings.dma.cs = NULL;
 278         if (rscreen->b.info.r600_has_dma && !(rscreen->b.debug_flags & DBG_NO_ASYNC_DMA)) {
 279                 rctx->b.rings.dma.cs = rctx->b.ws->cs_create(rctx->b.ws, RING_DMA, NULL);
 280                 rctx->b.rings.dma.flush = r600_flush_dma_ring;
 281                 rctx->b.ws->cs_set_flush_callback(rctx->b.rings.dma.cs, r600_flush_dma_from_winsys, rctx);
 282                 rctx->b.rings.dma.flushing = false;
 283         }
 284
 285         rctx->allocator_fetch_shader = u_suballocator_create(&rctx->b.b, 64 * 1024, 256,
 286                                                              0, PIPE_USAGE_STATIC, FALSE);
 287         if (!rctx->allocator_fetch_shader)
 288                 goto fail;
 289
 290         rctx->isa = calloc(1, sizeof(struct r600_isa));
 291         if (!rctx->isa || r600_isa_init(rctx, rctx->isa))
 292                 goto fail;
 293
 294         rctx->blitter = util_blitter_create(&rctx->b.b);
 295         if (rctx->blitter == NULL)
 296                 goto fail;
 297         util_blitter_set_texture_multisample(rctx->blitter, rscreen->has_msaa);
 298         rctx->blitter->draw_rectangle = r600_draw_rectangle;
 299
 300         r600_begin_new_cs(rctx);
 301         r600_get_backend_mask(rctx); /* this emits commands and must be last */
 302
 303         rctx->dummy_pixel_shader =
 304                 util_make_fragment_cloneinput_shader(&rctx->b.b, 0,
 305                                                      TGSI_SEMANTIC_GENERIC,
 306                                                      TGSI_INTERPOLATE_CONSTANT);
 307         rctx->b.b.bind_fs_state(&rctx->b.b, rctx->dummy_pixel_shader);
 308
 309         return &rctx->b.b;
 310
 311 fail:
 312         r600_destroy_context(&rctx->b.b);
 313         return NULL;
 314 }
 315
 316 /*
 317  * pipe_screen
 318  */
 319 static const char* r600_get_vendor(struct pipe_screen* pscreen)
 320 {
 321         return "X.Org";
 322 }
 323
 324 static const char *r600_get_family_name(enum radeon_family family)
 325 {
 326         switch(family) {
 327         case CHIP_R600: return "AMD R600";
 328         case CHIP_RV610: return "AMD RV610";
 329         case CHIP_RV630: return "AMD RV630";
 330         case CHIP_RV670: return "AMD RV670";
 331         case CHIP_RV620: return "AMD RV620";
 332         case CHIP_RV635: return "AMD RV635";
 333         case CHIP_RS780: return "AMD RS780";
 334         case CHIP_RS880: return "AMD RS880";
 335         case CHIP_RV770: return "AMD RV770";
 336         case CHIP_RV730: return "AMD RV730";
 337         case CHIP_RV710: return "AMD RV710";
 338         case CHIP_RV740: return "AMD RV740";
 339         case CHIP_CEDAR: return "AMD CEDAR";
 340         case CHIP_REDWOOD: return "AMD REDWOOD";
 341         case CHIP_JUNIPER: return "AMD JUNIPER";
 342         case CHIP_CYPRESS: return "AMD CYPRESS";
 343         case CHIP_HEMLOCK: return "AMD HEMLOCK";
 344         case CHIP_PALM: return "AMD PALM";
 345         case CHIP_SUMO: return "AMD SUMO";
 346         case CHIP_SUMO2: return "AMD SUMO2";
 347         case CHIP_BARTS: return "AMD BARTS";
 348         case CHIP_TURKS: return "AMD TURKS";
 349         case CHIP_CAICOS: return "AMD CAICOS";
 350         case CHIP_CAYMAN: return "AMD CAYMAN";
 351         case CHIP_ARUBA: return "AMD ARUBA";
 352         default: return "AMD unknown";
 353         }
 354 }
 355
 356 static const char* r600_get_name(struct pipe_screen* pscreen)
 357 {
 358         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 359
 360         return r600_get_family_name(rscreen->b.family);
 361 }
 362
 363 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 364 {
 365         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 366         enum radeon_family family = rscreen->b.family;
 367
 368         switch (param) {
 369         /* Supported features (boolean caps). */
 370         case PIPE_CAP_NPOT_TEXTURES:
 371         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 372         case PIPE_CAP_TWO_SIDED_STENCIL:
 373         case PIPE_CAP_ANISOTROPIC_FILTER:
 374         case PIPE_CAP_POINT_SPRITE:
 375         case PIPE_CAP_OCCLUSION_QUERY:
 376         case PIPE_CAP_TEXTURE_SHADOW_MAP:
 377         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 378         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 379         case PIPE_CAP_TEXTURE_SWIZZLE:
 380         case PIPE_CAP_DEPTH_CLIP_DISABLE:
 381         case PIPE_CAP_SHADER_STENCIL_EXPORT:
 382         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
 383         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
 384         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 385         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 386         case PIPE_CAP_SM3:
 387         case PIPE_CAP_SEAMLESS_CUBE_MAP:
 388         case PIPE_CAP_PRIMITIVE_RESTART:
 389         case PIPE_CAP_CONDITIONAL_RENDER:
 390         case PIPE_CAP_TEXTURE_BARRIER:
 391         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
 392         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
 393         case PIPE_CAP_TGSI_INSTANCEID:
 394         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
 395         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
 396         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
 397         case PIPE_CAP_USER_INDEX_BUFFERS:
 398         case PIPE_CAP_USER_CONSTANT_BUFFERS:
 399         case PIPE_CAP_COMPUTE:
 400         case PIPE_CAP_START_INSTANCE:
 401         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
 402         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
 403         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 404         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
 405         case PIPE_CAP_TEXTURE_MULTISAMPLE:
 406                 return 1;
 407
 408         case PIPE_CAP_TGSI_TEXCOORD:
 409                 return 0;
 410
 411         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
 412                 return MIN2(rscreen->b.info.vram_size, 0xFFFFFFFF);
 413
 414         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
 415                 return R600_MAP_BUFFER_ALIGNMENT;
 416
 417         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
 418                 return 256;
 419
 420         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
 421                 return 1;
 422
 423         case PIPE_CAP_GLSL_FEATURE_LEVEL:
 424                 return 140;
 425
 426         /* Supported except the original R600. */
 427         case PIPE_CAP_INDEP_BLEND_ENABLE:
 428         case PIPE_CAP_INDEP_BLEND_FUNC:
 429                 /* R600 doesn't support per-MRT blends */
 430                 return family == CHIP_R600 ? 0 : 1;
 431
 432         /* Supported on Evergreen. */
 433         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
 434         case PIPE_CAP_CUBE_MAP_ARRAY:
 435                 return family >= CHIP_CEDAR ? 1 : 0;
 436
 437         /* Unsupported features. */
 438         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 439         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 440         case PIPE_CAP_SCALED_RESOLVE:
 441         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
 442         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
 443         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
 444         case PIPE_CAP_USER_VERTEX_BUFFERS:
 445         case PIPE_CAP_TGSI_VS_LAYER:
 446                 return 0;
 447
 448         /* Stream output. */
 449         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
 450                 return rscreen->b.has_streamout ? 4 : 0;
 451         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
 452                 return rscreen->b.has_streamout ? 1 : 0;
 453         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
 454         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
 455                 return 32*4;
 456
 457         /* Texturing. */
 458         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 459         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 460         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 461                 if (family >= CHIP_CEDAR)
 462                         return 15;
 463                 else
 464                         return 14;
 465         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
 466                 return rscreen->b.info.drm_minor >= 9 ?
 467                         (family >= CHIP_CEDAR ? 16384 : 8192) : 0;
 468         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 469                 return 32;
 470
 471         /* Render targets. */
 472         case PIPE_CAP_MAX_RENDER_TARGETS:
 473                 /* XXX some r6xx are buggy and can only do 4 */
 474                 return 8;
 475
 476         case PIPE_CAP_MAX_VIEWPORTS:
 477                 return 1;
 478
 479         /* Timer queries, present when the clock frequency is non zero. */
 480         case PIPE_CAP_QUERY_TIME_ELAPSED:
 481                 return rscreen->b.info.r600_clock_crystal_freq != 0;
 482         case PIPE_CAP_QUERY_TIMESTAMP:
 483                 return rscreen->b.info.drm_minor >= 20 &&
 484                        rscreen->b.info.r600_clock_crystal_freq != 0;
 485
 486         case PIPE_CAP_MIN_TEXEL_OFFSET:
 487                 return -8;
 488
 489         case PIPE_CAP_MAX_TEXEL_OFFSET:
 490                 return 7;
 491
 492         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
 493                 return PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600;
 494         case PIPE_CAP_ENDIANNESS:
 495                 return PIPE_ENDIAN_LITTLE;
 496         }
 497         return 0;
 498 }
 499
 500 static float r600_get_paramf(struct pipe_screen* pscreen,
 501                              enum pipe_capf param)
 502 {
 503         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 504         enum radeon_family family = rscreen->b.family;
 505
 506         switch (param) {
 507         case PIPE_CAPF_MAX_LINE_WIDTH:
 508         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
 509         case PIPE_CAPF_MAX_POINT_WIDTH:
 510         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
 511                 if (family >= CHIP_CEDAR)
 512                         return 16384.0f;
 513                 else
 514                         return 8192.0f;
 515         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
 516                 return 16.0f;
 517         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
 518                 return 16.0f;
 519         case PIPE_CAPF_GUARD_BAND_LEFT:
 520         case PIPE_CAPF_GUARD_BAND_TOP:
 521         case PIPE_CAPF_GUARD_BAND_RIGHT:
 522         case PIPE_CAPF_GUARD_BAND_BOTTOM:
 523                 return 0.0f;
 524         }
 525         return 0.0f;
 526 }
 527
 528 static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
 529 {
 530         switch(shader)
 531         {
 532         case PIPE_SHADER_FRAGMENT:
 533         case PIPE_SHADER_VERTEX:
 534         case PIPE_SHADER_COMPUTE:
 535                 break;
 536         case PIPE_SHADER_GEOMETRY:
 537                 /* XXX: support and enable geometry programs */
 538                 return 0;
 539         default:
 540                 /* XXX: support tessellation on Evergreen */
 541                 return 0;
 542         }
 543
 544         switch (param) {
 545         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 546         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 547         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 548         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 549                 return 16384;
 550         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 551                 return 32;
 552         case PIPE_SHADER_CAP_MAX_INPUTS:
 553                 return 32;
 554         case PIPE_SHADER_CAP_MAX_TEMPS:
 555                 return 256; /* Max native temporaries. */
 556         case PIPE_SHADER_CAP_MAX_ADDRS:
 557                 /* XXX Isn't this equal to TEMPS? */
 558                 return 1; /* Max native address registers */
 559         case PIPE_SHADER_CAP_MAX_CONSTS:
 560                 return R600_MAX_CONST_BUFFER_SIZE;
 561         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 562                 return R600_MAX_USER_CONST_BUFFERS;
 563         case PIPE_SHADER_CAP_MAX_PREDS:
 564                 return 0; /* nothing uses this */
 565         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 566                 return 1;
 567         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
 568                 return 0;
 569         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
 570         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
 571         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
 572         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
 573                 return 1;
 574         case PIPE_SHADER_CAP_SUBROUTINES:
 575                 return 0;
 576         case PIPE_SHADER_CAP_INTEGERS:
 577                 return 1;
 578         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
 579         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
 580                 return 16;
 581         case PIPE_SHADER_CAP_PREFERRED_IR:
 582                 if (shader == PIPE_SHADER_COMPUTE) {
 583                         return PIPE_SHADER_IR_LLVM;
 584                 } else {
 585                         return PIPE_SHADER_IR_TGSI;
 586                 }
 587         }
 588         return 0;
 589 }
 590
 591 static int r600_get_video_param(struct pipe_screen *screen,
 592                                 enum pipe_video_profile profile,
 593                                 enum pipe_video_entrypoint entrypoint,
 594                                 enum pipe_video_cap param)
 595 {
 596         switch (param) {
 597         case PIPE_VIDEO_CAP_SUPPORTED:
 598                 return vl_profile_supported(screen, profile, entrypoint);
 599         case PIPE_VIDEO_CAP_NPOT_TEXTURES:
 600                 return 1;
 601         case PIPE_VIDEO_CAP_MAX_WIDTH:
 602         case PIPE_VIDEO_CAP_MAX_HEIGHT:
 603                 return vl_video_buffer_max_size(screen);
 604         case PIPE_VIDEO_CAP_PREFERED_FORMAT:
 605                 return PIPE_FORMAT_NV12;
 606         case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
 607                 return false;
 608         case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
 609                 return false;
 610         case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
 611                 return true;
 612         case PIPE_VIDEO_CAP_MAX_LEVEL:
 613                 return vl_level_supported(screen, profile);
 614         default:
 615                 return 0;
 616         }
 617 }
 618
 619 const char * r600_llvm_gpu_string(enum radeon_family family)
 620 {
 621         const char * gpu_family;
 622
 623         switch (family) {
 624         case CHIP_R600:
 625         case CHIP_RV630:
 626         case CHIP_RV635:
 627         case CHIP_RV670:
 628                 gpu_family = "r600";
 629                 break;
 630         case CHIP_RV610:
 631         case CHIP_RV620:
 632         case CHIP_RS780:
 633         case CHIP_RS880:
 634                 gpu_family = "rs880";
 635                 break;
 636         case CHIP_RV710:
 637                 gpu_family = "rv710";
 638                 break;
 639         case CHIP_RV730:
 640                 gpu_family = "rv730";
 641                 break;
 642         case CHIP_RV740:
 643         case CHIP_RV770:
 644                 gpu_family = "rv770";
 645                 break;
 646         case CHIP_PALM:
 647         case CHIP_CEDAR:
 648                 gpu_family = "cedar";
 649                 break;
 650         case CHIP_SUMO:
 651         case CHIP_SUMO2:
 652                 gpu_family = "sumo";
 653                 break;
 654         case CHIP_REDWOOD:
 655                 gpu_family = "redwood";
 656                 break;
 657         case CHIP_JUNIPER:
 658                 gpu_family = "juniper";
 659                 break;
 660         case CHIP_HEMLOCK:
 661         case CHIP_CYPRESS:
 662                 gpu_family = "cypress";
 663                 break;
 664         case CHIP_BARTS:
 665                 gpu_family = "barts";
 666                 break;
 667         case CHIP_TURKS:
 668                 gpu_family = "turks";
 669                 break;
 670         case CHIP_CAICOS:
 671                 gpu_family = "caicos";
 672                 break;
 673         case CHIP_CAYMAN:
 674         case CHIP_ARUBA:
 675                 gpu_family = "cayman";
 676                 break;
 677         default:
 678                 gpu_family = "";
 679                 fprintf(stderr, "Chip not supported by r600 llvm "
 680                         "backend, please file a bug at " PACKAGE_BUGREPORT "\n");
 681                 break;
 682         }
 683         return gpu_family;
 684 }
 685
 686
 687 static int r600_get_compute_param(struct pipe_screen *screen,
 688         enum pipe_compute_cap param,
 689         void *ret)
 690 {
 691         struct r600_screen *rscreen = (struct r600_screen *)screen;
 692         //TODO: select these params by asic
 693         switch (param) {
 694         case PIPE_COMPUTE_CAP_IR_TARGET: {
 695                 const char *gpu = r600_llvm_gpu_string(rscreen->b.family);
 696                 if (ret) {
 697                         sprintf(ret, "%s-r600--", gpu);
 698                 }
 699                 return (8 + strlen(gpu)) * sizeof(char);
 700         }
 701         case PIPE_COMPUTE_CAP_GRID_DIMENSION:
 702                 if (ret) {
 703                         uint64_t * grid_dimension = ret;
 704                         grid_dimension[0] = 3;
 705                 }
 706                 return 1 * sizeof(uint64_t);
 707
 708         case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
 709                 if (ret) {
 710                         uint64_t * grid_size = ret;
 711                         grid_size[0] = 65535;
 712                         grid_size[1] = 65535;
 713                         grid_size[2] = 1;
 714                 }
 715                 return 3 * sizeof(uint64_t) ;
 716
 717         case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
 718                 if (ret) {
 719                         uint64_t * block_size = ret;
 720                         block_size[0] = 256;
 721                         block_size[1] = 256;
 722                         block_size[2] = 256;
 723                 }
 724                 return 3 * sizeof(uint64_t);
 725
 726         case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
 727                 if (ret) {
 728                         uint64_t * max_threads_per_block = ret;
 729                         *max_threads_per_block = 256;
 730                 }
 731                 return sizeof(uint64_t);
 732
 733         case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
 734                 if (ret) {
 735                         uint64_t * max_global_size = ret;
 736                         /* XXX: This is what the proprietary driver reports, we
 737                          * may want to use a different value. */
 738                         *max_global_size = 201326592;
 739                 }
 740                 return sizeof(uint64_t);
 741
 742         case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
 743                 if (ret) {
 744                         uint64_t * max_input_size = ret;
 745                         *max_input_size = 1024;
 746                 }
 747                 return sizeof(uint64_t);
 748
 749         case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
 750                 if (ret) {
 751                         uint64_t * max_local_size = ret;
 752                         /* XXX: This is what the proprietary driver reports, we
 753                          * may want to use a different value. */
 754                         *max_local_size = 32768;
 755                 }
 756                 return sizeof(uint64_t);
 757
 758         case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
 759                 if (ret) {
 760                         uint64_t max_global_size;
 761                         uint64_t * max_mem_alloc_size = ret;
 762                         r600_get_compute_param(screen,
 763                                         PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE,
 764                                         &max_global_size);
 765                         /* OpenCL requres this value be at least
 766                          * max(MAX_GLOBAL_SIZE / 4, 128 * 1024 *1024)
 767                          * I'm really not sure what value to report here, but
 768                          * MAX_GLOBAL_SIZE / 4 seems resonable.
 769                          */
 770                         *max_mem_alloc_size = max_global_size / 4;
 771                 }
 772                 return sizeof(uint64_t);
 773
 774         default:
 775                 fprintf(stderr, "unknown PIPE_COMPUTE_CAP %d\n", param);
 776                 return 0;
 777         }
 778 }
 779
 780 static void r600_destroy_screen(struct pipe_screen* pscreen)
 781 {
 782         struct r600_screen *rscreen = (struct r600_screen *)pscreen;
 783
 784         if (rscreen == NULL)
 785                 return;
 786
 787         if (!radeon_winsys_unref(rscreen->b.ws))
 788                 return;
 789
 790         r600_common_screen_cleanup(&rscreen->b);
 791
 792         if (rscreen->global_pool) {
 793                 compute_memory_pool_delete(rscreen->global_pool);
 794         }
 795
 796         if (rscreen->trace_bo) {
 797                 rscreen->b.ws->buffer_unmap(rscreen->trace_bo->cs_buf);
 798                 pipe_resource_reference((struct pipe_resource**)&rscreen->trace_bo, NULL);
 799         }
 800
 801         rscreen->b.ws->destroy(rscreen->b.ws);
 802         FREE(rscreen);
 803 }
 804
 805 static uint64_t r600_get_timestamp(struct pipe_screen *screen)
 806 {
 807         struct r600_screen *rscreen = (struct r600_screen*)screen;
 808
 809         return 1000000 * rscreen->b.ws->query_value(rscreen->b.ws, RADEON_TIMESTAMP) /
 810                         rscreen->b.info.r600_clock_crystal_freq;
 811 }
 812
 813 static int r600_get_driver_query_info(struct pipe_screen *screen,
 814                                       unsigned index,
 815                                       struct pipe_driver_query_info *info)
 816 {
 817         struct r600_screen *rscreen = (struct r600_screen*)screen;
 818         struct pipe_driver_query_info list[] = {
 819                 {"draw-calls", R600_QUERY_DRAW_CALLS, 0},
 820                 {"requested-VRAM", R600_QUERY_REQUESTED_VRAM, rscreen->b.info.vram_size, TRUE},
 821                 {"requested-GTT", R600_QUERY_REQUESTED_GTT, rscreen->b.info.gart_size, TRUE},
 822                 {"buffer-wait-time", R600_QUERY_BUFFER_WAIT_TIME, 0, FALSE}
 823         };
 824
 825         if (!info)
 826                 return Elements(list);
 827
 828         if (index >= Elements(list))
 829                 return 0;
 830
 831         *info = list[index];
 832         return 1;
 833 }
 834
 835 struct pipe_screen *r600_screen_create(struct radeon_winsys *ws)
 836 {
 837         struct r600_screen *rscreen = CALLOC_STRUCT(r600_screen);
 838
 839         if (rscreen == NULL) {
 840                 return NULL;
 841         }
 842
 843         ws->query_info(ws, &rscreen->b.info);
 844
 845         /* Set functions first. */
 846         rscreen->b.b.context_create = r600_create_context;
 847         rscreen->b.b.destroy = r600_destroy_screen;
 848         rscreen->b.b.get_name = r600_get_name;
 849         rscreen->b.b.get_vendor = r600_get_vendor;
 850         rscreen->b.b.get_param = r600_get_param;
 851         rscreen->b.b.get_shader_param = r600_get_shader_param;
 852         rscreen->b.b.get_paramf = r600_get_paramf;
 853         rscreen->b.b.get_compute_param = r600_get_compute_param;
 854         rscreen->b.b.get_timestamp = r600_get_timestamp;
 855         if (rscreen->b.info.chip_class >= EVERGREEN) {
 856                 rscreen->b.b.is_format_supported = evergreen_is_format_supported;
 857         } else {
 858                 rscreen->b.b.is_format_supported = r600_is_format_supported;
 859         }
 860         rscreen->b.b.get_driver_query_info = r600_get_driver_query_info;
 861         if (rscreen->b.info.has_uvd) {
 862                 rscreen->b.b.get_video_param = ruvd_get_video_param;
 863                 rscreen->b.b.is_video_format_supported = ruvd_is_format_supported;
 864         } else {
 865                 rscreen->b.b.get_video_param = r600_get_video_param;
 866                 rscreen->b.b.is_video_format_supported = vl_video_buffer_is_format_supported;
 867         }
 868         r600_init_screen_resource_functions(&rscreen->b.b);
 869
 870         if (!r600_common_screen_init(&rscreen->b, ws)) {
 871                 FREE(rscreen);
 872                 return NULL;
 873         }
 874
 875         rscreen->b.debug_flags |= debug_get_flags_option("R600_DEBUG", r600_debug_options, 0);
 876         if (debug_get_bool_option("R600_DEBUG_COMPUTE", FALSE))
 877                 rscreen->b.debug_flags |= DBG_COMPUTE;
 878         if (debug_get_bool_option("R600_DUMP_SHADERS", FALSE))
 879                 rscreen->b.debug_flags |= DBG_FS | DBG_VS | DBG_GS | DBG_PS | DBG_CS;
 880         if (!debug_get_bool_option("R600_HYPERZ", TRUE))
 881                 rscreen->b.debug_flags |= DBG_NO_HYPERZ;
 882         if (!debug_get_bool_option("R600_LLVM", TRUE))
 883                 rscreen->b.debug_flags |= DBG_NO_LLVM;
 884
 885         if (rscreen->b.family == CHIP_UNKNOWN) {
 886                 fprintf(stderr, "r600: Unknown chipset 0x%04X\n", rscreen->b.info.pci_id);
 887                 FREE(rscreen);
 888                 return NULL;
 889         }
 890
 891         /* Figure out streamout kernel support. */
 892         switch (rscreen->b.chip_class) {
 893         case R600:
 894                 if (rscreen->b.family < CHIP_RS780) {
 895                         rscreen->b.has_streamout = rscreen->b.info.drm_minor >= 14;
 896                 } else {
 897                         rscreen->b.has_streamout = rscreen->b.info.drm_minor >= 23;
 898                 }
 899                 break;
 900         case R700:
 901                 rscreen->b.has_streamout = rscreen->b.info.drm_minor >= 17;
 902                 break;
 903         case EVERGREEN:
 904         case CAYMAN:
 905                 rscreen->b.has_streamout = rscreen->b.info.drm_minor >= 14;
 906                 break;
 907         default:
 908                 rscreen->b.has_streamout = FALSE;
 909                 break;
 910         }
 911
 912         /* MSAA support. */
 913         switch (rscreen->b.chip_class) {
 914         case R600:
 915         case R700:
 916                 rscreen->has_msaa = rscreen->b.info.drm_minor >= 22;
 917                 rscreen->has_compressed_msaa_texturing = false;
 918                 break;
 919         case EVERGREEN:
 920                 rscreen->has_msaa = rscreen->b.info.drm_minor >= 19;
 921                 rscreen->has_compressed_msaa_texturing = rscreen->b.info.drm_minor >= 24;
 922                 break;
 923         case CAYMAN:
 924                 rscreen->has_msaa = rscreen->b.info.drm_minor >= 19;
 925                 rscreen->has_compressed_msaa_texturing = true;
 926                 break;
 927         default:
 928                 rscreen->has_msaa = FALSE;
 929                 rscreen->has_compressed_msaa_texturing = false;
 930         }
 931
 932         rscreen->b.has_cp_dma = rscreen->b.info.drm_minor >= 27 &&
 933                               !(rscreen->b.debug_flags & DBG_NO_CP_DMA);
 934
 935         rscreen->global_pool = compute_memory_pool_new(rscreen);
 936
 937         rscreen->cs_count = 0;
 938         if (rscreen->b.info.drm_minor >= 28 && (rscreen->b.debug_flags & DBG_TRACE_CS)) {
 939                 rscreen->trace_bo = (struct r600_resource*)pipe_buffer_create(&rscreen->b.b,
 940                                                                                 PIPE_BIND_CUSTOM,
 941                                                                                 PIPE_USAGE_STAGING,
 942                                                                                 4096);
 943                 if (rscreen->trace_bo) {
 944                         rscreen->trace_ptr = rscreen->b.ws->buffer_map(rscreen->trace_bo->cs_buf, NULL,
 945                                                                         PIPE_TRANSFER_UNSYNCHRONIZED);
 946                 }
 947         }
 948
 949         /* Create the auxiliary context. This must be done last. */
 950         rscreen->b.aux_context = rscreen->b.b.context_create(&rscreen->b.b, NULL);
 951
 952 #if 0 /* This is for testing whether aux_context and buffer clearing work correctly. */
 953         struct pipe_resource templ = {};
 954
 955         templ.width0 = 4;
 956         templ.height0 = 2048;
 957         templ.depth0 = 1;
 958         templ.array_size = 1;
 959         templ.target = PIPE_TEXTURE_2D;
 960         templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
 961         templ.usage = PIPE_USAGE_STATIC;
 962
 963         struct r600_resource *res = r600_resource(rscreen->screen.resource_create(&rscreen->screen, &templ));
 964         unsigned char *map = ws->buffer_map(res->cs_buf, NULL, PIPE_TRANSFER_WRITE);
 965
 966         memset(map, 0, 256);
 967
 968         r600_screen_clear_buffer(rscreen, &res->b.b, 4, 4, 0xCC);
 969         r600_screen_clear_buffer(rscreen, &res->b.b, 8, 4, 0xDD);
 970         r600_screen_clear_buffer(rscreen, &res->b.b, 12, 4, 0xEE);
 971         r600_screen_clear_buffer(rscreen, &res->b.b, 20, 4, 0xFF);
 972         r600_screen_clear_buffer(rscreen, &res->b.b, 32, 20, 0x87);
 973
 974         ws->buffer_wait(res->buf, RADEON_USAGE_WRITE);
 975
 976         int i;
 977         for (i = 0; i < 256; i++) {
 978                 printf("%02X", map[i]);
 979                 if (i % 16 == 15)
 980                         printf("\n");
 981         }
 982 #endif
 983
 984         return &rscreen->b.b;
 985 }